Nonaqueous Electrolyte Solution and Lithium Secondary Battery Using Same
    21.
    发明申请
    Nonaqueous Electrolyte Solution and Lithium Secondary Battery Using Same 有权
    非水电解液和锂二次电池

    公开(公告)号:US20080241704A1

    公开(公告)日:2008-10-02

    申请号:US10592702

    申请日:2005-03-18

    IPC分类号: H01M10/40

    摘要: The present invention provides a lithium secondary battery having excellent battery characteristics such as battery cycling property, electrical capacity and storage property.The present invention relates to a nonaqueous electrolytic solution for lithium secondary batteries in which an electrolyte salt is dissolved in a nonaqueous solvent, the nonaqueous electrolytic solution comprising a formic ester compound having a specific structure in an amount of 0.01 to 10% by weight of the nonaqueous electrolytic solution, and a lithium secondary battery using the same.

    摘要翻译: 本发明提供具有优异的电池特性如锂电池循环特性,电容量和储存性能的锂二次电池。 本发明涉及一种锂二次电池的非水电解液,其中电解质盐溶解在非水溶剂中,该非水电解液包含具有特定结构的甲酸酯化合物,其量为0.01-10重量% 非水电解液和使用其的锂二次电池。

    Nonaqueous electrolyte solution for lithium secondary battery and lithium secondary battery using the same
    22.
    发明授权
    Nonaqueous electrolyte solution for lithium secondary battery and lithium secondary battery using the same 有权
    用于锂二次电池的非水电解液和使用其的锂二次电池

    公开(公告)号:US08404390B2

    公开(公告)日:2013-03-26

    申请号:US12596300

    申请日:2008-04-15

    IPC分类号: H01M6/16

    摘要: The present invention provides (1) a sulfone compounds having a propargyl group, (2) a nonaqueous electrolytic solution for lithium secondary batteries, which comprises an electrolyte salt dissolved in a nonaqueous solvent and contains a sulfone compound having a specific structure that has an SO2 group with a propargyl group or a vinyl group bonding thereto, in an amount of from 0.01 to 10% by weight of the nonaqueous electrolytic solution, and which can prevent gas generation and is excellent in battery characteristics such as cycle property and the like, and (3) a lithium secondary battery comprising a positive electrode, a negative electrode and a nonaqueous electrolytic solution of an electrolyte salt dissolved in a nonaqueous solvent, wherein the nonaqueous electrolytic solution contains a sulfone compound having a specific structure, in an amount of from 0.01 to 10% by weight of the nonaqueous electrolytic solution.

    摘要翻译: 本发明提供(1)具有炔丙基的砜化合物,(2)锂二次电池用非水电解液,其包含溶解在非水溶剂中的电解质盐,并含有具有SO 2的特定结构的砜化合物 与非水电解液的重量比为0.01〜10重量%的炔丙基或与其结合的乙烯基,能够防止气体产生,并且电池特性如循环特性等优异, (3)一种锂二次电池,其包含正极,负极和溶解在非水溶剂中的电解质盐的非水电解液,其中所述非水电解液含有特定结构的砜化合物,其量为0.01 至10重量%的非水电解液。

    NON-AQUEOUS ELECTROLYTIC SOLUTION, ELECTROCHEMICAL ELEMENT USING SAME, AND ALKYNYL COMPOUND USED THEREFOR
    23.
    发明申请
    NON-AQUEOUS ELECTROLYTIC SOLUTION, ELECTROCHEMICAL ELEMENT USING SAME, AND ALKYNYL COMPOUND USED THEREFOR 有权
    非水溶性电解液,电化学元素及其使用的烷基化合物

    公开(公告)号:US20120301797A1

    公开(公告)日:2012-11-29

    申请号:US13576182

    申请日:2011-02-02

    摘要: The present invention provides an excellent nonaqueous electrolytic solution capable of improving low-temperature and high-temperature cycle properties and load characteristics after high-temperature charging storage, an electrochemical element using it, and an alkynyl compound used for it.The nonaqueous electrolytic solution of the present invention comprises containing at least one alkynyl compound represented by the following general formula (I) in an amount of from 0.01 to 10% by mass in the nonaqueous electrolytic solution. R1(O)n—X1—R2  (I) (In the formula, X1 represents a group —C(═O)—, a group —C(═O)—C(═O)—, a group —S(═O)2—, a group —P(═O) (—R3)—, or a group —X2—S(═O)2O—. R1 represents an alkenyl group, a formyl group, an alkyl group, an acyl group, an arylcarbonyl, an alkanesulfonyl group, an alkynyloxysulfonyl group, an arylsulfonyl group, a dialkylphosphoryl group, an alkyl(alkoxy)phosphoryl group, or a dialkoxyphosphoryl group; R2 represents an alkynyl group or an alkynyloxy group; R3 represents an alkyl group, an alkenyl group, an alkynyl group, an aryl group, an alkoxy group, an alkenyloxy group, an alkynyloxy group, or an aryloxy group; n indicates 0 or 1.

    摘要翻译: 本发明提供一种能够提高高温充电保存后的低温高温循环性能和负载特性的优异的非水电解液,使用它的电化学元件和用于其的炔基化合物。 本发明的非水电解液在非水电解液中含有0.01〜10质量%的由通式(I)表示的至少一种炔基化合物。 R 1(O)n -X 1 -R 2(I)(式中,X1表示-C(= O) - 基,-C(= O)-C(= O) - 基,-S( = O)2-,基团-P(= O)(-R 3) - 或基团-X 2 -S(= O)2 O-,R 1表示链烯基,甲酰基,烷基,酰基 基团,芳基羰基,烷磺酰基,炔氧基磺酰基,芳基磺酰基,二烷基磷酰基,烷基(烷氧基)磷酰基或二烷氧基磷酰基; R2表示炔基或炔氧基; R3表示烷基, 烯基,炔基,芳基,烷氧基,烯氧基,炔氧基或芳氧基; n表示0或1。

    Nonaqueous electrolyte secondary battery, nonaqueous electrolyte, and charging method therefor
    25.
    发明授权
    Nonaqueous electrolyte secondary battery, nonaqueous electrolyte, and charging method therefor 有权
    非水电解质二次电池,非水电解质及其充电方法

    公开(公告)号:US08026000B2

    公开(公告)日:2011-09-27

    申请号:US11656486

    申请日:2007-01-23

    IPC分类号: H01M6/04

    摘要: A nonaqueous electrolyte secondary battery of the invention has a positive electrode having a positive electrode active material, a negative electrode, and a nonaqueous electrolyte having electrolyte salt in a nonaqueous solvent. The electric potential of the positive electrode active material is 4.4 to 4.6 V relative to lithium, and the nonaqueous electrolyte contains a compound expressed by structural formula (I) below. The quantity of compound added is preferably 0.1% to 2% by mass. Also, the positive electrode active material preferably comprises a mixture of a lithium-cobalt composite oxide which is LiCoO2 containing at least both zirconium and magnesium and a lithium-manganese-nickel composite oxide that has a layer structure and contains at least both manganese and nickel. Thanks to such structure, a nonaqueous electrolyte secondary battery can be provided that is charged to charging termination potential of 4.4 to 4.6 V relative to lithium and that has enhanced overcharging safety.[Chemical Formula 1]

    摘要翻译: 本发明的非水电解质二次电池具有正极,具有正极活性物质,负极和非水电解质,在非水溶剂中具有电解质盐。 正极活性物质的电位相对于锂为4.4〜4.6V,非水电解质含有下述结构式(I)表示的化合物。 化合物的添加量优选为0.1质量%〜2质量%。 此外,正极活性物质优选包含锂 - 钴复合氧化物的混合物,其为至少含有锆和镁的两种LiCoO 2和具有层结构并且至少包含锰和镍两者的锂锰镍复合氧化物的混合物 。 由于这样的结构,可以提供非水电解质二次电池,其相对于锂充电至4.4至4.6V的充电终止电位,并且具有增强的过充电安全性。 [化学式1]

    Nonaqueous electrolyte solution and electrochemical element using same
    28.
    发明授权
    Nonaqueous electrolyte solution and electrochemical element using same 有权
    非水电解液和电化学元素使用相同

    公开(公告)号:US09240614B2

    公开(公告)日:2016-01-19

    申请号:US13701193

    申请日:2011-06-03

    摘要: The present invention provides a nonaqueous electrolytic solution which can improve the electrochemical characteristics in a broad temperature range, an electrochemical element produced by using the same and a sulfonic ester compound having a branched structure which is used for the same.The present invention relates to a nonaqueous electrolytic solution prepared by dissolving an electrolyte salt in a nonaqueous solvent, which comprises a sulfonic ester compound represented by the following Formula (I) in an amount of 0.001 to 5% by mass of the nonaqueous electrolytic solution: (wherein R represents an alkyl group or an aryl group; A represents a >CH group or a >SiZ group (Z represents an alkyl group or an aryl group); X represents an alkyl group, a cycloalkyl group or an aryl group; Y represents a cycloalkyl group, a -L1CHRaOSO2Rb group or a —Si(Rc)(Rd)OSO2Rb group; W represents 1 or 2; Ra represents an alkyl group; Rb, Rc and Rd represent an alkyl group or an aryl group; L1 represents an alkylene group in which at least one hydrogen atom may be substituted with —OSO2Re (Re has the same meaning as that of R), a divalent linkage group containing at least one ether bond or a single bond).

    摘要翻译: 本发明提供一种可以提高宽温度范围内的电化学特性的非水电解液,使用该电解质的电化学元件和具有分支结构的磺酸酯化合物。 本发明涉及通过将电解质盐溶解在非水溶剂中而制备的非水电解液,该非水溶剂包含以下式(I)表示的磺酸酯化合物:非水电解液的0.001〜5质量% (其中R表示烷基或芳基; A表示> CH基或> SiZ基(Z表示烷基或芳基); X表示烷基,环烷基或芳基; Y 表示环烷基,-L1CHRaOSO2Rb基或-Si(Rc)(Rd)OSO2Rb基; W表示1或2; Ra表示烷基; Rb,Rc和Rd表示烷基或芳基; L1表示 其中至少一个氢原子可以被-OSO 2 Re取代的亚烷基(Re具有与R相同的含义),含有至少一个醚键或单键的二价连接基团)。